| Message ID | 20150624174958.15196.4062.stgit@djiang5-desk3.ch.intel.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
On Wed, Jun 24, 2015 at 10:49:59AM -0700, Dave Jiang wrote: > This allows claiming of non-RAID channels as a private channel. This > prevents breakage of MDRAID using the IOATDMA channels via > async_tx but also allows agents such as NTB to claim channels > exclusively for its usages. Applied now But please make sure you use the right subsystem name and format
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 64790a4..8fbffd0 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -1694,6 +1694,9 @@ int ioat3_dma_probe(struct ioatdma_device *device, int dca) } } + if (!(device->cap & (IOAT_CAP_XOR | IOAT_CAP_PQ))) + dma_cap_set(DMA_PRIVATE, dma->cap_mask); + err = ioat_probe(device); if (err) return err;
This allows claiming of non-RAID channels as a private channel. This prevents breakage of MDRAID using the IOATDMA channels via async_tx but also allows agents such as NTB to claim channels exclusively for its usages. Signed-off-by: Dave Jiang <dave.jiang@intel.com> --- drivers/dma/ioat/dma_v3.c | 3 +++ 1 file changed, 3 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html